Dell
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| How is this memory write |
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| protected? |
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| How is the memory cleared? |
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iDRAC6 SDRAM |
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| AC cycle for BMC OS and reset/power off server for VGA frame |
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| n/a |
| buffer | |
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iDRAC6 FRU |
| writes controlled by iDRAC |
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| embedded OS |
| EPPID is not clearable | |
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iDRAC6 Boot Block |
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| Not possible with any utilities or applications and iDRAC does not |
Flash |
| iDRAC embedded OS |
| function as expected if corrupted/removed. Lifecycle log is | |
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| control of the write |
| clearable only in a factory environment. | |
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| protection. |
| SEL is | |
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Trusted Platform |
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Module |
| SW write protected |
| F2 Setup option | |
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Chipset |
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CMOS |
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| Planar NVRAM_CLR jumper or Remove AC cord, remove cover, |
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| remove coin cell battery. Wait for 30 seconds, replace battery, |
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| cover and then AC cord. |
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| N/A - BIOS only control |
| F2 system setup option to restore defaults | |
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Backplane (X8) |
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Storage Controller |
| Embedded firmware only |
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Processor |
| writeable through |
| Not possible with any utilities or applications and backplane does | |
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| controlled iDRAC methods |
| not function as expected if corrupted/removed. | |
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Control Panel |
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Internal USB |
| OS control |
| OS control format | |
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Power Supply |
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| Protected by the |
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| embedded |
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| microcontroller. Special |
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| keys are used by special |
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| to unlock the ROM with |
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| various CRC checks during |
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PSU Microcontroller |
| load. |
| N/A - not in system clearable | |
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PDB Microcontroller |
| Unprotected |
| N/A - not in system clearable | |
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PERC 6/i Adapter |
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PERC NVSRAM Config |
| Storage controller |
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Data |
| firmware accessed only |
| N/A - not in system clearable | |
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PERC firmware |
| Write control access by |
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| Storage Controller |
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| firmware |
| N/A - not in system clearable | |
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PERC Cache RAM |
| Storage controller |
| Storage controller firmware clearable only. Remove AC AND | |
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| firmware accessed only |
| deplete or remove backup battery. | |
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| 81 | |
PowerEdge R510 Technical Guide